. >> reporter: an explosion left john peck a quadruple amputee. here's sergeant peck getting his first look at the smart home built near fredericksburg, virginia, specifically for the physical challenges he faces. >> i lost some parts of me, but my gratitude and my attitude will never change, this will actually wrig lly brighten up m. every day i go to work i can come home and be like, ah, this is my house. >> at one point someone had said john might have lost his arms and his legs but he has not lost his heart. and that is very true. >> reporter: sergeant peck chose to have his new home built here in chancellorsville. this land haerkens back to the civil war battles. the house was designed by the tunnel-to-towers foundation which grew out of the tragedy of 9/11. it's dedicated to the memory of fallen firefighters stephen siller, its mission to build high-tech homes for military heroes who have been grievously injured. >> what this will do is actually control the lighting, the tvs, the home automation, cabinetry, temperature, everything that we ha